What was found
MCN - DURING SCHEDULED CHECK, VISUAL, REFLECTIVE PROBE EDDY CURRENT AND ULTRASONIC INSPECTION TECHNIQUES REVEALED WING STRUCTURE LE UPPER SKIN LT XFS 285-309 CORRODED. REPAIRED IAW DWG A74-R07/R21. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - DURING SCHEDULED CHECK, VISUAL, REFLECTIVE PROBE EDDY CURRENT AND ULTRASONIC INSPECTION TECHNIQUES REVEALED WING STRUCTURE LE UPPER SKIN LT XFS 285-309 CORRODED. REPAIRED IAW DWG A74-R07/R21. (X)